package com.initial.sendemail;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import javax.mail.internet.MimeMessage;
import java.io.File;
import java.util.HashMap;
import java.util.Map;

@Component
public class EmailServiceImpl {
    private final Logger logger = LoggerFactory.getLogger(this.getClass());

    @Resource
    private JavaMailSender mailSender;

    @Value("${mail.fromMail.addr}")
    private String from;
    /**
     * 发送带静态资源的邮件
     * */
    public void sendAttachmentsMail (String to, String subject, String content, String rscPath, String rscId) {
        MimeMessage message = mailSender.createMimeMessage();

        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            FileSystemResource res = new FileSystemResource(new File(rscPath));
            helper.addInline(rscId, res);

            mailSender.send(message);
            logger.info("带附件的邮件已经发送。");
        } catch (Exception e) {
            logger.error("发送带附件的邮件时发生异常！", e);
        }
    }
    /**
     * 发送简单的邮件
     * */
    public Map sendHtmlMail(String to, String subject, String content) {
        MimeMessage message = mailSender.createMimeMessage();
        Map map=new HashMap();
        try {
            //true表示需要创建一个multipart message
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);

            mailSender.send(message);
            logger.info("html邮件发送成功");
            map.put("success",true);
        } catch (Exception e) {
            logger.error("发送html邮件时发生异常！", e);
            map.put("success",false);
        }
        return map;
    }
}
